The catch
UGREEN NASync DXP2800
Only two SATA bays means limited growth and no parity layouts.
Side by side
UGREEN NASync DXP2800 vs TerraMaster F2-425 Compared: On the DXP2800, SSD applications and SATA backups stay apart
Quick verdict
If you will use an M.2 application pool or 8GB of supplied memory, the DXP2800 deserves a spot on your shortlist. A simpler archive that stays on SATA drives suits the F2-425.
Before you buy
Why, and what it costs you
Protected capacity when all drives are 12TB
Before formatting, this example gives 12TB with UGREEN NASync DXP2800 and 12TB with F2-425. Swapping chassis leaves protected capacity unchanged.
Where this comes from
Suppose each SATA bay holds a supported 12TB disk. A two-bay RAID 1 gives the usable capacity of one disk. With three or more drives, RAID 5 usable TB = (drive count minus 1) × 12. The layout is only an illustration. It is not storage that comes included, and it is not a backup.
The catch
TerraMaster F2-425
You cannot put a third data drive in this chassis, since it has two SATA bays.
UGREEN NASync DXP2800
- Why pick it
- Two M.2 slots should sit next to your SATA mirror
- m.2 storage slots: you want 2
- The catch
- Only two SATA bays means limited growth and no parity layouts.
TerraMaster F2-425
- Why pick it
- Your archive stays SATA-only and runs on 4GB RAM
- m.2 storage slots: you want 0
- The catch
- You cannot put a third data drive in this chassis, since it has two SATA bays.
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What this page compares
Which of DXP2800 and F2-425 fits depends on protected storage, included networking and the exact SSD or application layout you need.
Same two-drive backup plan, but the DXP2800 gives it an SSD path.
Which one fits
Pick the situations that sound like you
Protected archive built from 12 TB disks filling every internal SATA bay
In this example, RAID 1 covers two disks and RAID 5 covers three or more. Before formatting, UGREEN NASync DXP2800 gives 12TB and F2-425 gives 12TB. Switching chassis does not raise this protected capacity.
- UGREEN NASync DXP2800
- Similar
- TerraMaster F2-425
- Similar
A workstation already at the speed of the faster included Ethernet port
The ports included run at 2.5GbE and 2.5GbE. Read the 100GB calculation together with the real client speed.
- UGREEN NASync DXP2800
- Similar
- TerraMaster F2-425
- Similar
Multiple local services dividing up the supplied RAM
The UGREEN NASync DXP2800 comes with 8 GB RAM and supports 16 GB, while the TerraMaster F2-425 comes with 4 GB and supports 16 GB. Before budgeting for an upgrade, hold the stated application memory requirement up against the supplied configuration. RAM capacity by itself says nothing certain about application speed.
- UGREEN NASync DXP2800
- Better fit
- TerraMaster F2-425
- Depends
Inside the chassis, hold both a SATA mirror and a separate two-drive M.2 SSD mirror
On the DXP2800, a mirrored application pool of two SSDs can use the M.2 slots and leave both SATA bays for the bulk mirror. The F2-425 has zero M.2 slots, so that exact four-device layout cannot be built internally.
- UGREEN NASync DXP2800
- Better fit
- TerraMaster F2-425
- Not suitable
In practice
Differences you will notice
Protected capacity when all drives are 12TB
Before formatting, this example gives 12TB with UGREEN NASync DXP2800 and 12TB with F2-425. Swapping chassis leaves protected capacity unchanged.
How we worked this out
Suppose each SATA bay holds a supported 12TB disk. A two-bay RAID 1 gives the usable capacity of one disk. With three or more drives, RAID 5 usable TB = (drive count minus 1) × 12. The layout is only an illustration. It is not storage that comes included, and it is not a backup.
100GB moved at the speed ceiling of the included port
At line rate, the lowest possible time is 320 seconds for UGREEN NASync DXP2800 and 320 seconds for F2-425. Real copies take longer. Over a 1GbE client, the lower bound rises to 800 seconds for both.
How we worked this out
Decimal 100GB × 8 = 800 gigabits. Take the fastest included port rate, 2.5Gbps or 2.5Gbps, and divide 800 by it. Protocol overhead is ignored here only because this is a lower-bound calculation. Optional adapters and aggregated ports are left out.
Only the DXP2800 has room for a separate SSD mirror
On the DXP2800, a mirrored application pool of two SSDs can use the M.2 slots and leave both SATA bays for the bulk mirror. The F2-425 has zero M.2 slots, so that exact four-device layout cannot be built internally.
How we worked this out
The layout calls for 2 SATA bays plus 2 M.2 slots. That is 2 plus 2 on DXP2800 and 2 plus 0 on F2-425. Confirm the supported M.2 pool configuration and SSD models.
Option A
UGREEN, DXP2800
UGREEN NASync DXP2800
This is a 2-bay chassis, and 2.5 Gbps is the fastest network path documented for it.
- Best for
- host Plex at home with 4K transcoding
Facts we checked
- Storage comes in a 2-bay chassis.
- The fastest network path documented for it runs at 2.5 Gbps.
- It supports serving media through Plex.
Option B
TerraMaster, F2-425
F2-425
With 2.5GbE and 4GB memory, this is a two-drive server for photos and backups. It fits when a mirrored pair is enough and you do not need M.2 storage.
- Best for
- A small home archive on two drives
Facts we checked
- 0 M.2 slots alongside 2 SATA drive bays
- Fastest network port included: 2.5GbE
- Comes with 4GB of RAM, expandable to 16GB
- Intel x86 quad-core processor in a diskless NAS
Spec by spec
Where they really differ
| Spec | UGREEN NASync DXP2800 | TerraMaster F2-425 | In practice |
|---|---|---|---|
| Supplied RAM | 8GB | 4GB | This figure is the memory already installed, before any upgrade modules are bought. |
| M.2 storage slots | 2 | 0 | Treat SSD cache and storage pools as a separate plan from the SATA archive. |
| Processor | Intel N100 | Intel x86 quad-core | The platform determines the media engines, the application architecture and the concurrency. |
| Software and expansion route | UGOS Pro | TOS | Pick the applications and supported add-ons the job calls for. |
Trade-offs
What each pick costs you
With UGREEN NASync DXP2800
- With one network port, there is no second wired path.
With TerraMaster F2-425
- Storage drives are sold separately, and the chassis has no M.2 slots.
Change of plan
When the answer changes
Two M.2 slots should sit next to your SATA mirror
Go with UGREEN NASync DXP2800. On DXP2800, two SATA archive drives stay in place and its two M.2 positions can host an SSD layout with its own support. Its supplied 8 GB is also more than the F2-425's 4 GB.
Your archive stays SATA-only and runs on 4GB RAM
Go with TerraMaster F2-425. The F2-425 matches it with two SATA bays and a 2.5 GbE port rate. A SATA-only mirror works there and does not depend on M.2 slots, which this chassis lacks.
Decision guide
How to decide
First, pin down the storage layout you need
If you will use an M.2 application pool or 8GB of supplied memory, the DXP2800 deserves a spot on your shortlist. A simpler archive that stays on SATA drives suits the F2-425.
Count what the drive budget allows
Two SATA bays is the limit on both chassis, and picking the DXP2800 does not enlarge a two-drive mirror. Work out how big the library will grow before you choose the enclosure.
Look at the client and apps you will really use
Two M.2 slots and twice the supplied memory are what the DXP2800 adds. The 2.5GbE port rate stays the same as on the F2-425, so what you pay for is storage layout and applications. The Ethernet link is no faster.
What this page can’t tell you
- Capacity examples assume equal 12TB drives, counted before formatting, snapshots and filesystem overhead.
- Treat Ethernet calculations as lower bounds, since disk performance, network protocol and other traffic add time.
- Neither application speed nor a VM count follows from memory capacity alone.
By the numbers
What the data shows
What we found across the NAS devices we compare, plus the checked facts behind each finding.
How many fit
Only 10 of the 32 models checked meet every need here: “Two drives to begin with” and “Keep going after one drive fails”.
10 models fit, out of 32 checkedShow the facts and the math
How we countedThe count uses each product's current fit ratings for “Two drives to begin with” and “Keep going after one drive fails”. A need with no documented match is not counted.
| Product | Needs it meets | Facts we checked | Sources |
|---|---|---|---|
| UGREEN NASync DXP2800 |
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| TerraMaster F2-425 |
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Ready to buy
See today’s price and what owners say
Open either model on Amazon for the current price, customer reviews and delivery options.
UGREEN NASync DXP2800
Two M.2 slots should sit next to your SATA mirror
See price & reviews on AmazonTerraMaster F2-425
Your archive stays SATA-only and runs on 4GB RAM
See price & reviews on AmazonEach link opens in a new tab.
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